Poly-Fil® Crafter s Choice® Decorative Square Pillow Inserts by Fairfield™ 18 x 18 pillow inserts are soft supportive and hypo-allergenic. They are made with 100% polyester fiber with no added chemicals or flame retardants and have a non-woven polypropylene cover. They are the fastest easiest and most economical way to refresh any room in your home. They work great as extra support and comfort along the back of window seats and reading nooks as throw pillows in your living room bedroom or Children’s room. Use them to spruce up couches and sectionals cover with weatherproof material for your porches and patios or quickly update the look of your bedroom. When using different prints it’s best to add some solids for a balanced look. Also try mixing different textures together.